The popular and dominant school of economists in the 1930s who could not explain why the economy went into a depression were the:

Paul goes to Sportsmart to buy a new tennis racquet. He is willing to pay $200 for a new racquet, but buys one on sale for $125. Paul's consumer surplus from the purchase is

A) $325. B) $200. C) $125. D) $75.

The long-run Phillips curve suggests that changing the rate of unemployment in the economy has no impact on the inflation rate

a. True b. False Indicate whether the statement is true or false